RÉSO, commonly referred to as the Underground City, is the name applied to a series of interconnected office towers, hotels, shopping centres, residential and commercial complexes, convention halls, universities and performing arts venues that form the heart of Montreal's central business district, colloquially referred to as Downtown Montreal. The name refers to the underground connections between the buildings that compose the network, in addition to the network's complete integration with the city's entirely underground rapid transit system, the Montreal Metro. Moreover, the first iteration of the Underground City was developed out of the open pit at the southern entrance to the Mount Royal Tunnel, where Place Ville Marie and Central Station stand today.
Place Ville Marie is a large office and shopping complex skyscraper in Downtown Montreal, Quebec, Canada, comprising four office buildings and an underground shopping plaza. The main building, 1 Place Ville Marie, was built in the International style in 1962 as the headquarters for the Royal Bank of Canada. While RBC's corporate headquarters and the majority of its management operations have been based in Toronto's Royal Bank Plaza since 1976, Place Ville Marie remains RBC's head office, a distinct title from its corporate headquarters. It is a 188 m (617 ft), 47-storey, cruciform office tower. The complex is a nexus for Montreal's Underground City, the world's busiest, with indoor access to over 1,600 businesses, numerous subway stations, a suburban transportation terminal, and tunnels extending throughout downtown. A counter-clockwise rotating beacon on the rooftop lights up at night, illuminating the surrounding sky with up to four white horizontal beams that can be seen as far as 50 kilometres (31 mi) away. This beacon is not considered as a NAVAID for aviation purposes.
Selene is a residential skyscraper at the southwest corner of 53rd Street and Lexington Avenue in Midtown Manhattan, New York City. The 64-story tower, completed in 2019, was designed by Norman Foster. At 711 feet (217 m) tall, it is the 64th tallest building in New York.
432 Park Avenue is a residential skyscraper at 57th Street and Park Avenue in Midtown Manhattan in New York City, overlooking Central Park. The 1,396-foot-tall (425.5 m) tower was developed by CIM Group and Harry B. Macklowe and designed by Rafael Viñoly. A part of Billionaires' Row, 432 Park Avenue has some of the most expensive residences in the city, with the median unit selling for tens of millions of dollars. At the time of its completion in 2015, 432 Park Avenue was the third-tallest building in the United States and the tallest residential building in the world. As of 2023, it is the sixth-tallest building in the United States, the fifth-tallest building in New York City, and the third-tallest residential building in the world.
The Tour des Canadiens is a condominium skyscraper complex in Montreal, Quebec, Canada. It is situated next to the Bell Centre in downtown Montreal, at Avenue des Canadiens-de-Montréal and Rue de la Montagne, and is named for the Montreal Canadiens hockey team, which is a part-owner of the project.
L'Avenue is a mixed-use skyscraper complex in Montreal, Quebec, Canada. It is located across from the Bell Centre in downtown Montreal, on Avenue des Canadiens-de-Montréal between de la Montagne Street and Drummond Street.
Roccabella is a condominium complex in Montreal, Quebec, Canada, located next to the Bell Centre in downtown Montreal, at Mountain Street and René-Lévesque Blvd.
Icône is a skyscraper complex in Montreal, Quebec, Canada designed by the architecture firm Béïque Legault Thuot. The towers are located on René-Lévesque Boulevard at the corner of De la Montagne Street, near the Bell Centre and facing the Roccabella development.
Air Canada Tower, is a 35-storey mixed-use skyscraper in Montreal, Quebec, Canada. The first ten floors are home to office spaces, while the remaining 25 floors consist of 152 condos. The office component is anchored by Aimia and is known as the Aimia Tower.
La Laurentienne Building is a 102-metre (335 ft), 27-story skyscraper in Montreal, Quebec, Canada. The building was designed by Dimitri Dimakopoulos & Associates for Marathon Realty, Lavalin and the Laurentian Bank. It is located on René-Lévesque Boulevard at the intersection of Peel Street, in the Ville-Marie borough of Downtown Montreal. It is adjacent to the Bell Centre and the 1250 René-Lévesque skyscraper to the south, and stands on the site of the former Laurentian Hotel.
YUL Condominiums is a large residential skyscraper complex in Montreal, Quebec, Canada. The towers are located on René-Lévesque Boulevard at the corner of Bishop and Mackay, near E-Commerce Place and the Bell Centre.
William Zeckendorf Jr. was an American real estate developer. Son of William Zeckendorf Sr., he was the second of three generations of one of New York's great real estate dynasties. While keeping a lower profile than his famously flamboyant father, Zeckendorf Jr. was highly successful in his own right. Like his father, he became known for large-scale projects that transformed neighborhoods.
Brickell Flatiron is a residential skyscraper in the Brickell district of Miami, Florida. Brickell Flatiron is 736 feet (224 m) tall, 64 stories, and has 527-units. The luxury condominium is named "flatiron" due to the triangular lot it is built on, similar to the Flatiron Building in New York City. The 736-foot-high tower is currently the tallest condominium south of New York City.
Les Tours Lépine are twin skyscrapers located at 1200 de Maisonneuve Boulevard in the Golden Square Mile neighbourhood of Montreal, Quebec, Canada. The towers contain both condominiums and commercial spaces, with a total of 340 units. The project was built by Montreal-based luxury developer René Lépine Sr., head of Groupe Lépine.
SLS Lux is a 58-story skyscraper luxury apartment building and hotel in the Brickell district of Greater Downtown Miami, Florida, United States.
277 Fifth is a condominium tower in Manhattan, New York City designed by architect Rafael Viñoly. The building rises 55 stories and contains 130 residential condominiums. It is tied with two other buildings, One Grand Central Place and the Barclay Tower as the 94th tallest building in New York at 209 meters. It has been compared to another building of Viñoly's, 432 Park Avenue.
Canada 
Construction site in July 2014
Construction site in April 2015
Construction site in February 2016
View of Tom Condos tower from Union avenue
